When the blood supply of a tissue is compromised by whatever mechanism, the tissue will stop working and if blood flow is not restored, the tissue will eventually die ("infarct", both verb and noun). The clinical picture that runs with development of an infarct ("heart attack"; "stroke") is called "infarction".
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3

Continuum:
Both are a result of inadequate blood supply to the heart muscle. Acute coronary syndrome means that the imbalance is sufficient to cause symptoms that prompt aggressive intervention, but may not result in permanent heart damage; a myocardial infarction implies that overt heart damage has occurred, hence positive markers of tissue damage.
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4

Continuum:
Both are a result of inadequate blood supply to the heart muscle. Acute coronary syndrome means that the imbalance is sufficient to cause symptoms that prompt aggressive intervention, but may not result in permanent heart damage; a myocardial infarction implies that overt heart damage has occurred, hence positive markers of tissue damage.
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6

the same thing:
Arteriosclerotic cardiovascular disease means blockages in the coronary arteries. The manifestation of coronary artery blockage is a heart attack. When this happen suddenly, we say it is acute.
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Heart attack is a life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the rest of the body.
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An enzyme causes the transformation of a compoond to another compound. In living structures, it is the transformation of a protein to another form. An example is from an inactive state to an active state.
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